On Thu, Jun 16, 2011 at 09:04:51AM -0500, Rob Herring wrote: > Grant, > > On 06/15/2011 11:41 PM, Grant Likely wrote: > > irq_domain_add_simple() is an easy way to generate an irq translation > > domain for simple irq controllers. It assumes a flat 1:1 mapping from > > hardware irq number to an offset of the first linux irq number assigned > > to the controller > > > > Signed-off-by: Grant Likely <[email protected]> > > --- > > include/linux/irq.h | 11 +++++++++ > > kernel/irq/irqdomain.c | 58 > > +++++++++++++++++++++++++++++++++++++++++++++++- > > 2 files changed, 68 insertions(+), 1 deletions(-) > > > > diff --git a/include/linux/irq.h b/include/linux/irq.h > > index a103c01..50830fc 100644 > > --- a/include/linux/irq.h > > +++ b/include/linux/irq.h > > @@ -797,6 +797,17 @@ extern unsigned int irq_domain_map(struct irq_domain > > *domain, > > irq_hw_number_t hwirq); > > extern void irq_domain_unmap(struct irq_domain *domain, irq_hw_number_t > > hw); > > > > +struct of_device_id; > > +#ifdef CONFIG_OF > > +extern void irq_domain_add_simple(struct device_node *controller, int > > irq_base); > > +extern void irq_domain_generate_simple(struct of_device_id *match, > > match should be const
yup > > > + u64 phys_base, unsigned int irq_start); > > +#else > > Empty function for irq_domain_add_simple? Haven't needed it yet. I'll add it if it comes up. Honestly, I'm not even sure if this patch will survive very long once the IRQ controllers start using irq_domains directly. This is more of an easy way to get an irq_domain registration so that DT translations work. g. _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
